There are 5 zip codes in Johnson County, Tennessee. The most populated is 37683, located in Mountain City. * 2024 populations estimated based on the latest ACS 5-year data.
Zip Code | City | Population |
---|---|---|
37683 | Mountain City | 13,686 |
37640 | Butler | 3,517 |
37688 | Shady Valley | 945 |
37691 | Trade | 555 |
37680 | Laurel Bloomery | 454 |